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mcp/harbor
Verified official

Penny x402 utilities MCP

v0.1.0

io.github.pennyops/penny-x402-utils

Pay-per-call dev utilities (hash, base64, uuid, URL, time, NIP-19, BOLT11) via x402 USDC on Base.

transport:streamable-http tools:8
Website

Target client

run in your project directory 

claude mcp add --transport http penny-x402-utils https://pennyagent.pythonanywhere.com/mcp

setup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

hash

hash

base64

base64

uuid

uuid

slug

slug

urlparse

urlparse

timeconv

timeconv

nip19

nip19

bolt11

bolt11

All 8 tools, one page each

Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.